Newsbite analysis · HealthTech
The Japan Times
For mind and body, Tokyo hopes for brighter October after record run of rain
Tokyo has recently ended a streak of 37 consecutive days of rain, causing significant low sunlight levels, which are linked to increased instances of seasonal affective disorder (SAD). Mental health professionals report an uptick in patients seeking help early in the fall due to this unusual weather pattern. There are various coping strategies, including sunlight exposure, dietary adjustments, and maintaining a routine to stabilize internal circadian rhythms. As sunny days return, residents are encouraged to embrace the positives of the changing seasons.
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Published 7 Oct 2026, 05:45 UTC4 min read
Lead image — The Japan Times
Brief
NewsBite reading:Tokyo breaks record rain streak, hopes for mental health improvement
TL;DR
- Tokyo experienced a record 37 consecutive days of rain, leading to low sunlight levels.
- Dr. Hisatoshi Katsu reported an early increase in SAD patients at the Ningyocho Mental Clinic.
- Lack of sunlight reduces serotonin and disrupts circadian rhythms, affecting mental health.
- Illustrations expressing frustration with the weather were created by a local artist affected by migraines.
- Experts suggest dietary changes and daily routines to combat SAD effects.
Interesting facts
- The Kanto region's low sunlight levels were historically significant compared to previous years.
- Individuals suffering from migraines reported worsening symptoms during the rainy days.
What changed